GeForce 840M vs GeForce GTX 850A
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and GeForce GTX 850A. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840M and GeForce GTX 850A. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce GTX 850A
GeForce 840M is a Laptop Graphics Card
Note: GeForce 840M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce 840M here:
Main Specs
| GeForce 840M | GeForce GTX 850A | |
| Power consumption (TDP) | 33 Watt | 45 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Memory type | DDR3 | DDR3 |
| Maximum RAM amount | 4 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce GTX 850A has 36% more power consumption, than GeForce 840M.
- GeForce 840M is connected by PCIe 3.0 x8, and GeForce GTX 850A uses PCIe 3.0 x16 interface.
- GeForce 840M has 2 GB more memory, than GeForce GTX 850A.
- GeForce 840M is used in Laptops, and GeForce GTX 850A - in Desktops.
- GeForce 840M and GeForce GTX 850A are build with Maxwell architecture.
- Core clock speed of GeForce 840M is 127 MHz higher, than GeForce GTX 850A.
- GeForce 840M and GeForce GTX 850A are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840M is 200 MHz higher, than GeForce GTX 850A.
Game benchmarks
| high / 1080p | 1−2 | 1−2 |
| ultra / 1080p | 0−1 | 0−1 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 12−14 |
| medium / 1080p | 3−4 | 3−4 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Assassin's Creed Odyssey. | ||
| ultra / 1080p | 4−5 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 16−18 |
| medium / 1080p | 5−6 | 5−6 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Battlefield 5. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 120−130 |
| medium / 768p | 90−95 | 90−95 |
| ultra / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 24−27 | 24−27 |
| 4K / 2160p | 18−20 | 18−20 |
| high / 768p | 65−70 | 65−70 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Counter-Strike: Global Offensive. | ||
| low / 768p | 85−90 | 85−90 |
| ultra / 1080p | 16−18 | 16−18 |
| medium / 1080p | 40−45 | 40−45 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Cyberpunk 2077. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 50−55 | 50−55 |
| ultra / 1080p | 24−27 | 24−27 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Dota 2. | ||
| high / 1080p | 2−3 | 2−3 |
| ultra / 1080p | 2−3 | 2−3 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 12−14 | 12−14 |
| medium / 1080p | 3−4 | 3−4 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Far Cry 5. | ||
| high / 1080p | 10−11 | 10−11 |
| ultra / 1080p | 5−6 | 5−6 |
| QHD / 1440p | 2−3 | 2−3 |
| low / 720p | 50−55 | 50−55 |
| medium / 1080p | 10−12 | 10−12 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Fortnite. | ||
| high / 1080p | 4−5 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 16−18 |
| medium / 1080p | 7−8 | 7−8 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Forza Horizon 4. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 5−6 | 5−6 |
| ultra / 1080p | 2−3 | 2−3 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 35−40 | 35−40 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Grand Theft Auto V. | ||
| high / 1080p | 1−2 | 1−2 |
| ultra / 1080p | 0−1 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 5−6 | 5−6 |
| medium / 1080p | 3−4 | 3−4 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Metro Exodus. | ||
| low / 768p | 90−95 | 90−95 |
| high / 1080p | 85−90 | 85−90 |
| ultra / 1080p | 70−75 | 70−75 |
| medium / 1080p | 90−95 | 90−95 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Minecraft. | ||
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 14−16 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| ultra / 1080p | 4−5 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 6−7 | 6−7 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in Red Dead Redemption 2. | ||
| low / 768p | 12−14 | 12−14 |
| medium / 768p | 9−10 | 9−10 |
| high / 1080p | 4−5 | 4−5 |
| ultra / 1080p | 3−4 | 3−4 |
| 4K / 2160p | 0−1 | 0−1 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in The Witcher 3: Wild Hunt. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 35−40 | 35−40 |
| ultra / 1080p | 16−18 | 16−18 |
| high / 768p | 30−35 | 30−35 |
| GeForce 840M and GeForce GTX 850A have the same average FPS in World of Tanks. | ||
Full Specs
| GeForce 840M | GeForce GTX 850A | |
| Architecture | Maxwell | Maxwell |
| Code name | N15S-GT | GM107 |
| Type | Laptop | Desktop |
| Release date | 12 March 2014 | 17 March 2014 |
| Pipelines | 384 | 640 |
| Core clock speed | 1029 MHz | 902 MHz |
| Boost Clock | 1124 MHz | 936 MHz |
| Transistor count | 1,870 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 37.44 |
| Floating-point performance | 863.2 gflops | 1,198 gflops |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 2000 MHz | 1800 MHz |
| Memory bandwidth | 16.02 GB/s | 28.8 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | + | 5.0 |
| Bus support | PCI Express 2.0, PCI Express 3.0 | |
| Bitcoin / BTC (SHA256) | 92 Mh/s | |
| Laptop size | medium sized | |
| Optimus | + | |
| GPU Boost | 2.0 | |
| GameWorks | + | |
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